25811220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13877}}^1$

素因数の和:13920

約数の個数: 48

約数和(自身を含む): 74608128

約数和(自身を除く): 48796908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 13877, 27754, 41631, 55508, 69385, 83262, 138770, 166524, 208155, 277540, 416310, 430187, 832620, 860374, 1290561, 1720748, 2150935, 2581122, 4301870, 5162244, 6452805, 8603740, 12905610, 25811220]

約数ペア:

[(1, 25811220), (2, 12905610), (3, 8603740), (4, 6452805), (5, 5162244), (6, 4301870), (10, 2581122), (12, 2150935), (15, 1720748), (20, 1290561), (30, 860374), (31, 832620), (60, 430187), (62, 416310), (93, 277540), (124, 208155), (155, 166524), (186, 138770), (310, 83262), (372, 69385), (465, 55508), (620, 41631), (930, 27754), (1860, 13877)]